Millimeter wave modulator and transmitter
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United States of America Patent
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Dec 19, 2000
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N/A
app pub date -
Sep 13, 1999
filing date -
Sep 13, 1999
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Abstract
In a millimeter wave modulation of the direct modulation technology, the switching speed is increased and the modulation bandwidth is broadened. A millimeter wave modulator includes a millimeter wave waveguide. a switching element (PIN diode) disposed in the waveguide in which the switching element is turned on and off by a digital signal to achieve amplitude-modulation of a millimeter carrier wave propagating through the waveguide, and a shunt resistor connected to the switching element in parallel.
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